MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd02bb93378748b445190e1e980881f77b0d6ed80d46f1a43211f34eaf305b90. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 8


Intelligence 8 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd02bb93378748b445190e1e980881f77b0d6ed80d46f1a43211f34eaf305b90
SHA3-384 hash: 58849a2f143665730e99111559c6387ecafd08f010d7a43c624f7a8c9f500dee5e5a8ffffdc934bc98fa3de406b82583
SHA1 hash: ef8464717d419cb90bca0d35e41fc382c47887ac
MD5 hash: 134c462f0c5adc3cf2a657b2283a0ca8
humanhash: tennessee-oxygen-thirteen-skylark
File name:Fortnite.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:66'560 bytes
First seen:2022-02-10 14:30:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:ovukdaPRATUS2LB/4p/o8xuABd5959VMr6tiz:ovukd+/jd8xrnfVMr6Yz
Threatray 875 similar samples on MalwareBazaar
TLSH T15B53074A77831761C2A960B5D1E3421907F6B7CB3633DB8A3E8D56CA4F123D58E47B88
File icon (PE):PE icon
dhash icon c4f0ecececfcd8c4 (1 x Formbook)
Reporter tech_skeech
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/240659/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Searching for synchronization primitives
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620521a845ddfa2e18bbd59a/reports/30fbae85-44b2-4b79-aa29-82bd41d9da90/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2ec9f06c-12ed-49ca-9127-3fc8244583a3
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/937682
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Detected VMProtect packer
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Potential dropper URLs found in powershell memory
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570156 Sample: Fortnite.exe Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus / Scanner detection for submitted sample 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 8 other signatures 2->96 10 Fortnite.exe 15 7 2->10         started        14 update64.exe 2->14         started        process3 dnsIp4 78 cdn.discordapp.com 162.159.130.233, 443, 49768, 49778 CLOUDFLARENETUS United States 10->78 68 C:\Users\user\AppData\Local\...\System.exe, PE32+ 10->68 dropped 70 C:\Users\user\AppData\...\Antimalware.exe, PE32 10->70 dropped 72 C:\Users\user\AppData\...\Fortnite.exe.log, ASCII 10->72 dropped 17 Antimalware.exe 10->17         started        20 System.exe 5 10->20         started        108 Multi AV Scanner detection for dropped file 14->108 110 Machine Learning detection for dropped file 14->110 23 cmd.exe 14->23         started        file5 signatures6 process7 file8 80 Multi AV Scanner detection for dropped file 17->80 82 Machine Learning detection for dropped file 17->82 84 Writes to foreign memory regions 17->84 88 3 other signatures 17->88 25 AppLaunch.exe 14 3 17->25         started        29 WerFault.exe 23 9 17->29         started        31 WerFault.exe 17->31         started        43 2 other processes 17->43 66 C:\Users\user\Windows\update64.exe, PE32+ 20->66 dropped 33 cmd.exe 1 20->33         started        35 cmd.exe 20->35         started        37 cmd.exe 20->37         started        86 Encrypted powershell cmdline option found 23->86 39 conhost.exe 23->39         started        41 powershell.exe 23->41         started        signatures9 process10 dnsIp11 74 ip-api.com 208.95.112.1, 49779, 80 TUT-ASUS United States 25->74 98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->98 100 May check the online IP address of the machine 25->100 76 192.168.2.1 unknown unknown 29->76 102 Encrypted powershell cmdline option found 33->102 104 Uses schtasks.exe or at.exe to add and modify task schedules 33->104 45 powershell.exe 22 33->45         started        47 conhost.exe 33->47         started        49 powershell.exe 33->49         started        51 update64.exe 35->51         started        53 conhost.exe 35->53         started        55 conhost.exe 37->55         started        57 schtasks.exe 37->57         started        signatures12 process13 process14 59 cmd.exe 51->59         started        signatures15 106 Encrypted powershell cmdline option found 59->106 62 conhost.exe 59->62         started        64 powershell.exe 59->64         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd02bb93378748b445190e1e980881f77b0d6ed80d46f1a43211f34eaf305b90/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2022-02-09 05:15:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xublxezxq5elirizbypjqceb655q23wybvdpdjbschzu5lzqloia._file
Verdict:
malicious
Similar samples:
2c7e8a9b546f7c133469fabcfc200e5ab79da84ffa180fda9e088bc5476af860
Formbook
374ec0de5ab31bc54adc80e494194f0070a78839701d19b73b27ca605f05c768
Formbook
4fa28556557b228a0cabb6a51597217e09afdf58a140b1181f0bd8325e6e4d0f
Formbook
56d80b8ecdf299745ae22e2c2849bc285685551686e98149e3c01483d93ca7e5
Formbook
790b75e1d50978e41ae57a87008b3d1922d3efd15924b59a2a0967f29abdab8a
Formbook
7e1624df0ec310b2766bd7a9a98f05ef1ed576f0f7e0699aee3ecc35ddb03c12
Formbook
b03f5bd449dbd6441f14720cd78dc280580a998842675cec12b7d1a840c67932
Formbook
c9c79f349ba263858347e2a724368d31fb0a43542bb222c0e36d55198fbf7bfe
Formbook
e09771f1dba3b7dae3164b716b7b7e7ece24ab94244ca27a731a1856d4820f4e
Formbook
+ 865 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
vmprotect
Link:
https://tria.ge/reports/220210-rvpzxaghh7/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
bd02bb93378748b445190e1e980881f77b0d6ed80d46f1a43211f34eaf305b90
MD5 hash:
134c462f0c5adc3cf2a657b2283a0ca8
SHA1 hash:
ef8464717d419cb90bca0d35e41fc382c47887ac
Link:
https://www.unpac.me/results/693ef2d6-9674-4c95-9e7d-c5460b7fb86c/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe bd02bb93378748b445190e1e980881f77b0d6ed80d46f1a43211f34eaf305b90

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/240659/

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